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DTECH Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows Black

StarTech NM9MM DB9 RS232 Serial Null Modem Adapter- M/M 1 x DB-9 Male - 1 x DB-9

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StarTech ICUSB2321F 1-Port 6ft (1.8m) USB to Serial RS232 Adapter Cable, RB T4B

USB to RS232 DB9 Serial Cable Male Converter Adapter with FTDI 10FT, Black